Four episodes, all of which take place in Room 407 of Motel Cactus, a love hotel in Seoul.  An undetermined amount of time passes between the episodes; sometime between the first and second episodes the hotel redecorates the room.  Each episode is prefaced with a vignette showing one of the characters. 

1. Choi Hyun-Joo meets a girlfriend for lunch in a coffee shop.  The girlfriend has been dumped by a man;  Choi points out that it’s not the first time this happened, and urges her friend to rethink her approach to relationships. 
 Choi, the kind of woman who might work in a boutique or department store, celebrates her birthday with her steady boyfriend Lee Min-Koo in Motel Cactus.  Choi arrives in some disarray; she was hit by tear gas from a clash between police and demonstrators en route to the hotel.  Despite this, Room 407 is the only place she feels entirely secure in the relationship, and she hopes and expects that Lee will spend the night there with her.  Lee, the kind of man who might be a car salesman, feels constrained by Choi and the room.  He has bought new clothes and an ice cream cake as his birthday presents for her, and a moving-light picture of a waterfall for himself.  When he decides not to spend the night with her (but promises her a weekend excursion as a consolation), he abandons the picture in the room. 

2.  Yoon Seo-Kyung is intercepted in the street by a TV crew and asked her opinion about moves to repeal the Korean law which forbids marriage between persons with the same surname.  But she mishears the question (she thinks it concerns the homosexual question rather than the homonym question), and replies by outlining her liberal attitude towards the country’s slowly emerging gay community. 
 Student Sung Joon-Ki has rented Room 407 for several hours to shoot a scene for his video film, a college project which must be turned in for assessment very soon.  He waits for his actress Yoon Seo-Kyung and cameraman Jong-Pyo to show up.  Eventually Seo-Kyung arrives, but without Jong-Pyo.  Tired of waiting, they take some of the shots they need regardless, with Sung himself behind the camera.  Finally Jong-Pyo calls to explain that he’s been in police custody all day after being arrested for involvement in a fight.  By then, Sung has discovered (to his intense jealousy) that Seo-Kyung and Jong-Pyo went out together the night before… and he himself has taken Seo-Kyung’s virginity. 

3.  Salaried man Kim Suk-Tae is killing time in a bar when he meets Choi Hyun-Joo, the only other customer.  Kim and Choi, both very drunk, arrive in Room 407.  Before making love, they fool around with all the room’s fixture and fittings: unreeling the toilet tissue roll, raiding the condom dispenser, drawing graffiti on the wall.  Kim’s raucous acapella rendition of a karaoke favorite draws complaints from the next room.  Once their games are over and they have had sex, Choi leaves.  Kim if left alone in the room. 

4.  Min Hee-Soo revisits a street fortune-teller she last saw several years ago.  That time, he advised her not to marry her fiancé.  This time, she tells him she disregarded his advice but now wishes she had followed it.  Everything the fortune-tell predicted came true, and she is now divorced. 
 Kim Suk-Tae is back in the room alone.  He is soon joined by his old flame from college days, Min Hee-Soo.  They have met for the first time in years - as they both expected to, it transpires -at the funeral ceremonies for a mutual friend.  Both are vaguely hoping to rekindle their old relationship, but unresolved grievances and recriminations get the better of them.  Min reveals that she was pregnant by Kim when they broke up; he was doing his military service at the time and seemed oblivious to her needs, and so she had an abortion.  And now that she has ended her subsequent unhappy marriage, she lives in Canada.  After making love, the couple find they have nothing left to say to each other.